What is Dover Dustoff?
1.
The act of receiving oral stimulation from one's partner while simultaneously have one's rectum manipulated by a vaccum (either a portable vaccum or an attachment on an upright).
"Get the sweeper, Kevin, I'm up for a Dover Dustoff"
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1.
The manky stuff that builds up on keyboard letters and in the keyboard over a period of time, especially in schools/colleges where 200 o..